include/linux/ieee80211.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * IEEE 802.11 defines
   4  *
   5  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   6  * <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   8  * Copyright (c) 2005, Devicescape Software, Inc.
   9  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  10  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  11  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  12  * Copyright (c) 2018 - 2019 Intel Corporation
  13  */
  14
  15 #ifndef __LINUX_IEEE80211_H
  16 #define __LINUX_IEEE80211_H
  17
  18 /*
  19  * DS bit usage
  20  *
  21  * TA = transmitter address
  22  * RA = receiver address
  23  * DA = destination address
  24  * SA = source address
  25  *
  26  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  27  * -----------------------------------------------------------------
  28  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  29  *  0       1       DA      BSSID   SA      -       AP -> STA
  30  *  1       0       BSSID   SA      DA      -       AP <- STA
  31  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  32  */
  33
  34 #define FCS_LEN 4
  35
  36 #define IEEE80211_FCTL_VERS             0x0003
  37 #define IEEE80211_FCTL_FTYPE            0x000c
  38 #define IEEE80211_FCTL_STYPE            0x00f0
  39 #define IEEE80211_FCTL_TODS             0x0100
  40 #define IEEE80211_FCTL_FROMDS           0x0200
  41 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  42 #define IEEE80211_FCTL_RETRY            0x0800
  43 #define IEEE80211_FCTL_PM               0x1000
  44 #define IEEE80211_FCTL_MOREDATA         0x2000
  45 #define IEEE80211_FCTL_PROTECTED        0x4000
  46 #define IEEE80211_FCTL_ORDER            0x8000
  47 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  48
  49 #define IEEE80211_SCTL_FRAG             0x000F
  50 #define IEEE80211_SCTL_SEQ              0xFFF0
  51
  52 #define IEEE80211_FTYPE_MGMT            0x0000
  53 #define IEEE80211_FTYPE_CTL             0x0004
  54 #define IEEE80211_FTYPE_DATA            0x0008
  55 #define IEEE80211_FTYPE_EXT             0x000c
  56
  57 /* management */
  58 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  59 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  60 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  61 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  62 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  63 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  64 #define IEEE80211_STYPE_BEACON          0x0080
  65 #define IEEE80211_STYPE_ATIM            0x0090
  66 #define IEEE80211_STYPE_DISASSOC        0x00A0
  67 #define IEEE80211_STYPE_AUTH            0x00B0
  68 #define IEEE80211_STYPE_DEAUTH          0x00C0
  69 #define IEEE80211_STYPE_ACTION          0x00D0
  70
  71 /* control */
  72 #define IEEE80211_STYPE_CTL_EXT         0x0060
  73 #define IEEE80211_STYPE_BACK_REQ        0x0080
  74 #define IEEE80211_STYPE_BACK            0x0090
  75 #define IEEE80211_STYPE_PSPOLL          0x00A0
  76 #define IEEE80211_STYPE_RTS             0x00B0
  77 #define IEEE80211_STYPE_CTS             0x00C0
  78 #define IEEE80211_STYPE_ACK             0x00D0
  79 #define IEEE80211_STYPE_CFEND           0x00E0
  80 #define IEEE80211_STYPE_CFENDACK        0x00F0
  81
  82 /* data */
  83 #define IEEE80211_STYPE_DATA                    0x0000
  84 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  85 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  86 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  87 #define IEEE80211_STYPE_NULLFUNC                0x0040
  88 #define IEEE80211_STYPE_CFACK                   0x0050
  89 #define IEEE80211_STYPE_CFPOLL                  0x0060
  90 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  91 #define IEEE80211_STYPE_QOS_DATA                0x0080
  92 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  93 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  94 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  95 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  96 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  97 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
  98 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
  99
 100 /* extension, added by 802.11ad */
 101 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 102
 103 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 104 #define IEEE80211_CTL_EXT_POLL          0x2000
 105 #define IEEE80211_CTL_EXT_SPR           0x3000
 106 #define IEEE80211_CTL_EXT_GRANT 0x4000
 107 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 108 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 109 #define IEEE80211_CTL_EXT_SSW           0x8000
 110 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 111 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 112
 113
 114 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 115 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 116 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 117
 118 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 119 {
 120         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 121 }
 122
 123 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 124 {
 125         return (sn1 + sn2) & IEEE80211_SN_MASK;
 126 }
 127
 128 static inline u16 ieee80211_sn_inc(u16 sn)
 129 {
 130         return ieee80211_sn_add(sn, 1);
 131 }
 132
 133 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 134 {
 135         return (sn1 - sn2) & IEEE80211_SN_MASK;
 136 }
 137
 138 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 139 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 140
 141 /* miscellaneous IEEE 802.11 constants */
 142 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 143 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 144 #define IEEE80211_MAX_AID               2007
 145 #define IEEE80211_MAX_TIM_LEN           251
 146 #define IEEE80211_MAX_MESH_PEERINGS     63
 147 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 148    6.2.1.1.2.
 149
 150    802.11e clarifies the figure in section 7.1.2. The frame body is
 151    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 152 #define IEEE80211_MAX_DATA_LEN          2304
 153 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 154  * to 7920 bytes, see 8.2.3 General frame format
 155  */
 156 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 157 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 158 #define IEEE80211_MAX_FRAME_LEN         2352
 159
 160 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 161 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 162
 163 /* Maximal size of an A-MSDU */
 164 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 165 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 166
 167 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 168 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 169 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 170
 171 #define IEEE80211_MAX_SSID_LEN          32
 172
 173 #define IEEE80211_MAX_MESH_ID_LEN       32
 174
 175 #define IEEE80211_FIRST_TSPEC_TSID      8
 176 #define IEEE80211_NUM_TIDS              16
 177
 178 /* number of user priorities 802.11 uses */
 179 #define IEEE80211_NUM_UPS               8
 180 /* number of ACs */
 181 #define IEEE80211_NUM_ACS               4
 182
 183 #define IEEE80211_QOS_CTL_LEN           2
 184 /* 1d tag mask */
 185 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 186 /* TID mask */
 187 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 188 /* EOSP */
 189 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 190 /* ACK policy */
 191 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 192 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 193 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 194 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 195 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 196 /* A-MSDU 802.11n */
 197 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 198 /* Mesh Control 802.11s */
 199 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 200
 201 /* U-APSD queue for WMM IEs sent by AP */
 202 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 203 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 204
 205 /* U-APSD queues for WMM IEs sent by STA */
 206 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 207 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 208 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 209 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 210 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 211
 212 /* U-APSD max SP length for WMM IEs sent by STA */
 213 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 214 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 215 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 216 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 218 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 219
 220 #define IEEE80211_HT_CTL_LEN            4
 221
 222 struct ieee80211_hdr {
 223         __le16 frame_control;
 224         __le16 duration_id;
 225         u8 addr1[6];
 226         u8 addr2[6];
 227         u8 addr3[6];
 228         __le16 seq_ctrl;
 229         u8 addr4[6];
 230 } __packed __aligned(2);
 231
 232 struct ieee80211_hdr_3addr {
 233         __le16 frame_control;
 234         __le16 duration_id;
 235         u8 addr1[6];
 236         u8 addr2[6];
 237         u8 addr3[6];
 238         __le16 seq_ctrl;
 239 } __packed __aligned(2);
 240
 241 struct ieee80211_qos_hdr {
 242         __le16 frame_control;
 243         __le16 duration_id;
 244         u8 addr1[6];
 245         u8 addr2[6];
 246         u8 addr3[6];
 247         __le16 seq_ctrl;
 248         __le16 qos_ctrl;
 249 } __packed __aligned(2);
 250
 251 /**
 252  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 253  * @fc: frame control bytes in little-endian byteorder
 254  */
 255 static inline bool ieee80211_has_tods(__le16 fc)
 256 {
 257         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 258 }
 259
 260 /**
 261  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 262  * @fc: frame control bytes in little-endian byteorder
 263  */
 264 static inline bool ieee80211_has_fromds(__le16 fc)
 265 {
 266         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 267 }
 268
 269 /**
 270  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 271  * @fc: frame control bytes in little-endian byteorder
 272  */
 273 static inline bool ieee80211_has_a4(__le16 fc)
 274 {
 275         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 276         return (fc & tmp) == tmp;
 277 }
 278
 279 /**
 280  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 281  * @fc: frame control bytes in little-endian byteorder
 282  */
 283 static inline bool ieee80211_has_morefrags(__le16 fc)
 284 {
 285         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 286 }
 287
 288 /**
 289  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 290  * @fc: frame control bytes in little-endian byteorder
 291  */
 292 static inline bool ieee80211_has_retry(__le16 fc)
 293 {
 294         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 295 }
 296
 297 /**
 298  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 299  * @fc: frame control bytes in little-endian byteorder
 300  */
 301 static inline bool ieee80211_has_pm(__le16 fc)
 302 {
 303         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 304 }
 305
 306 /**
 307  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 308  * @fc: frame control bytes in little-endian byteorder
 309  */
 310 static inline bool ieee80211_has_moredata(__le16 fc)
 311 {
 312         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 313 }
 314
 315 /**
 316  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 317  * @fc: frame control bytes in little-endian byteorder
 318  */
 319 static inline bool ieee80211_has_protected(__le16 fc)
 320 {
 321         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 322 }
 323
 324 /**
 325  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 326  * @fc: frame control bytes in little-endian byteorder
 327  */
 328 static inline bool ieee80211_has_order(__le16 fc)
 329 {
 330         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 331 }
 332
 333 /**
 334  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 335  * @fc: frame control bytes in little-endian byteorder
 336  */
 337 static inline bool ieee80211_is_mgmt(__le16 fc)
 338 {
 339         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 340                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 341 }
 342
 343 /**
 344  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 345  * @fc: frame control bytes in little-endian byteorder
 346  */
 347 static inline bool ieee80211_is_ctl(__le16 fc)
 348 {
 349         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 350                cpu_to_le16(IEEE80211_FTYPE_CTL);
 351 }
 352
 353 /**
 354  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 355  * @fc: frame control bytes in little-endian byteorder
 356  */
 357 static inline bool ieee80211_is_data(__le16 fc)
 358 {
 359         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 360                cpu_to_le16(IEEE80211_FTYPE_DATA);
 361 }
 362
 363 /**
 364  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 365  * @fc: frame control bytes in little-endian byteorder
 366  */
 367 static inline bool ieee80211_is_data_qos(__le16 fc)
 368 {
 369         /*
 370          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 371          * to check the one bit
 372          */
 373         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 374                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 375 }
 376
 377 /**
 378  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 379  * @fc: frame control bytes in little-endian byteorder
 380  */
 381 static inline bool ieee80211_is_data_present(__le16 fc)
 382 {
 383         /*
 384          * mask with 0x40 and test that that bit is clear to only return true
 385          * for the data-containing substypes.
 386          */
 387         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 388                cpu_to_le16(IEEE80211_FTYPE_DATA);
 389 }
 390
 391 /**
 392  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 393  * @fc: frame control bytes in little-endian byteorder
 394  */
 395 static inline bool ieee80211_is_assoc_req(__le16 fc)
 396 {
 397         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 398                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 399 }
 400
 401 /**
 402  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 403  * @fc: frame control bytes in little-endian byteorder
 404  */
 405 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 406 {
 407         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 408                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 409 }
 410
 411 /**
 412  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 413  * @fc: frame control bytes in little-endian byteorder
 414  */
 415 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 416 {
 417         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 418                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 419 }
 420
 421 /**
 422  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 423  * @fc: frame control bytes in little-endian byteorder
 424  */
 425 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 426 {
 427         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 428                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 429 }
 430
 431 /**
 432  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 433  * @fc: frame control bytes in little-endian byteorder
 434  */
 435 static inline bool ieee80211_is_probe_req(__le16 fc)
 436 {
 437         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 438                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 439 }
 440
 441 /**
 442  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 443  * @fc: frame control bytes in little-endian byteorder
 444  */
 445 static inline bool ieee80211_is_probe_resp(__le16 fc)
 446 {
 447         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 448                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 449 }
 450
 451 /**
 452  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 453  * @fc: frame control bytes in little-endian byteorder
 454  */
 455 static inline bool ieee80211_is_beacon(__le16 fc)
 456 {
 457         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 458                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 459 }
 460
 461 /**
 462  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 463  * @fc: frame control bytes in little-endian byteorder
 464  */
 465 static inline bool ieee80211_is_atim(__le16 fc)
 466 {
 467         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 468                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 469 }
 470
 471 /**
 472  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 473  * @fc: frame control bytes in little-endian byteorder
 474  */
 475 static inline bool ieee80211_is_disassoc(__le16 fc)
 476 {
 477         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 478                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 479 }
 480
 481 /**
 482  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 483  * @fc: frame control bytes in little-endian byteorder
 484  */
 485 static inline bool ieee80211_is_auth(__le16 fc)
 486 {
 487         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 488                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 489 }
 490
 491 /**
 492  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 493  * @fc: frame control bytes in little-endian byteorder
 494  */
 495 static inline bool ieee80211_is_deauth(__le16 fc)
 496 {
 497         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 498                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 499 }
 500
 501 /**
 502  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 503  * @fc: frame control bytes in little-endian byteorder
 504  */
 505 static inline bool ieee80211_is_action(__le16 fc)
 506 {
 507         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 508                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 509 }
 510
 511 /**
 512  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 513  * @fc: frame control bytes in little-endian byteorder
 514  */
 515 static inline bool ieee80211_is_back_req(__le16 fc)
 516 {
 517         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 518                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 519 }
 520
 521 /**
 522  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 523  * @fc: frame control bytes in little-endian byteorder
 524  */
 525 static inline bool ieee80211_is_back(__le16 fc)
 526 {
 527         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 528                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 529 }
 530
 531 /**
 532  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 533  * @fc: frame control bytes in little-endian byteorder
 534  */
 535 static inline bool ieee80211_is_pspoll(__le16 fc)
 536 {
 537         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 538                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 539 }
 540
 541 /**
 542  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 543  * @fc: frame control bytes in little-endian byteorder
 544  */
 545 static inline bool ieee80211_is_rts(__le16 fc)
 546 {
 547         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 548                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 549 }
 550
 551 /**
 552  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 553  * @fc: frame control bytes in little-endian byteorder
 554  */
 555 static inline bool ieee80211_is_cts(__le16 fc)
 556 {
 557         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 558                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 559 }
 560
 561 /**
 562  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 563  * @fc: frame control bytes in little-endian byteorder
 564  */
 565 static inline bool ieee80211_is_ack(__le16 fc)
 566 {
 567         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 568                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 569 }
 570
 571 /**
 572  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 573  * @fc: frame control bytes in little-endian byteorder
 574  */
 575 static inline bool ieee80211_is_cfend(__le16 fc)
 576 {
 577         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 578                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 579 }
 580
 581 /**
 582  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 583  * @fc: frame control bytes in little-endian byteorder
 584  */
 585 static inline bool ieee80211_is_cfendack(__le16 fc)
 586 {
 587         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 588                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 589 }
 590
 591 /**
 592  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 593  * @fc: frame control bytes in little-endian byteorder
 594  */
 595 static inline bool ieee80211_is_nullfunc(__le16 fc)
 596 {
 597         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 598                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 599 }
 600
 601 /**
 602  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 603  * @fc: frame control bytes in little-endian byteorder
 604  */
 605 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 606 {
 607         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 608                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 609 }
 610
 611 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 612 {
 613         unsigned int hdrlen = 24;
 614
 615         if (ieee80211_has_a4(fc))
 616                 hdrlen = 30;
 617
 618         if (ieee80211_is_data_qos(fc)) {
 619                 hdrlen += IEEE80211_QOS_CTL_LEN;
 620                 if (ieee80211_has_order(fc))
 621                         hdrlen += IEEE80211_HT_CTL_LEN;
 622         }
 623
 624         return hdrlen;
 625 }
 626
 627 /**
 628  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 629  * @fc: frame control field in little-endian byteorder
 630  */
 631 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 632 {
 633         /* IEEE 802.11-2012, definition of "bufferable management frame";
 634          * note that this ignores the IBSS special case. */
 635         return ieee80211_is_mgmt(fc) &&
 636                (ieee80211_is_action(fc) ||
 637                 ieee80211_is_disassoc(fc) ||
 638                 ieee80211_is_deauth(fc));
 639 }
 640
 641 /**
 642  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 643  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 644  */
 645 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 646 {
 647         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 648 }
 649
 650 /**
 651  * ieee80211_is_frag - check if a frame is a fragment
 652  * @hdr: 802.11 header of the frame
 653  */
 654 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 655 {
 656         return ieee80211_has_morefrags(hdr->frame_control) ||
 657                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 658 }
 659
 660 struct ieee80211s_hdr {
 661         u8 flags;
 662         u8 ttl;
 663         __le32 seqnum;
 664         u8 eaddr1[6];
 665         u8 eaddr2[6];
 666 } __packed __aligned(2);
 667
 668 /* Mesh flags */
 669 #define MESH_FLAGS_AE_A4        0x1
 670 #define MESH_FLAGS_AE_A5_A6     0x2
 671 #define MESH_FLAGS_AE           0x3
 672 #define MESH_FLAGS_PS_DEEP      0x4
 673
 674 /**
 675  * enum ieee80211_preq_flags - mesh PREQ element flags
 676  *
 677  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 678  */
 679 enum ieee80211_preq_flags {
 680         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 681 };
 682
 683 /**
 684  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 685  *
 686  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 687  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 688  */
 689 enum ieee80211_preq_target_flags {
 690         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 691         IEEE80211_PREQ_USN_FLAG = 1<<2,
 692 };
 693
 694 /**
 695  * struct ieee80211_quiet_ie
 696  *
 697  * This structure refers to "Quiet information element"
 698  */
 699 struct ieee80211_quiet_ie {
 700         u8 count;
 701         u8 period;
 702         __le16 duration;
 703         __le16 offset;
 704 } __packed;
 705
 706 /**
 707  * struct ieee80211_msrment_ie
 708  *
 709  * This structure refers to "Measurement Request/Report information element"
 710  */
 711 struct ieee80211_msrment_ie {
 712         u8 token;
 713         u8 mode;
 714         u8 type;
 715         u8 request[0];
 716 } __packed;
 717
 718 /**
 719  * struct ieee80211_channel_sw_ie
 720  *
 721  * This structure refers to "Channel Switch Announcement information element"
 722  */
 723 struct ieee80211_channel_sw_ie {
 724         u8 mode;
 725         u8 new_ch_num;
 726         u8 count;
 727 } __packed;
 728
 729 /**
 730  * struct ieee80211_ext_chansw_ie
 731  *
 732  * This structure represents the "Extended Channel Switch Announcement element"
 733  */
 734 struct ieee80211_ext_chansw_ie {
 735         u8 mode;
 736         u8 new_operating_class;
 737         u8 new_ch_num;
 738         u8 count;
 739 } __packed;
 740
 741 /**
 742  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 743  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 744  *      values here
 745  * This structure represents the "Secondary Channel Offset element"
 746  */
 747 struct ieee80211_sec_chan_offs_ie {
 748         u8 sec_chan_offs;
 749 } __packed;
 750
 751 /**
 752  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 753  *
 754  * This structure represents the "Mesh Channel Switch Paramters element"
 755  */
 756 struct ieee80211_mesh_chansw_params_ie {
 757         u8 mesh_ttl;
 758         u8 mesh_flags;
 759         __le16 mesh_reason;
 760         __le16 mesh_pre_value;
 761 } __packed;
 762
 763 /**
 764  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 765  */
 766 struct ieee80211_wide_bw_chansw_ie {
 767         u8 new_channel_width;
 768         u8 new_center_freq_seg0, new_center_freq_seg1;
 769 } __packed;
 770
 771 /**
 772  * struct ieee80211_tim
 773  *
 774  * This structure refers to "Traffic Indication Map information element"
 775  */
 776 struct ieee80211_tim_ie {
 777         u8 dtim_count;
 778         u8 dtim_period;
 779         u8 bitmap_ctrl;
 780         /* variable size: 1 - 251 bytes */
 781         u8 virtual_map[1];
 782 } __packed;
 783
 784 /**
 785  * struct ieee80211_meshconf_ie
 786  *
 787  * This structure refers to "Mesh Configuration information element"
 788  */
 789 struct ieee80211_meshconf_ie {
 790         u8 meshconf_psel;
 791         u8 meshconf_pmetric;
 792         u8 meshconf_congest;
 793         u8 meshconf_synch;
 794         u8 meshconf_auth;
 795         u8 meshconf_form;
 796         u8 meshconf_cap;
 797 } __packed;
 798
 799 /**
 800  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 801  *
 802  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 803  *      additional mesh peerings with other mesh STAs
 804  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 805  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 806  *      is ongoing
 807  */
 808 enum mesh_config_capab_flags {
 809         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 810         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 811         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 812 };
 813
 814 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 815
 816 /**
 817  * mesh channel switch parameters element's flag indicator
 818  *
 819  */
 820 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 821 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 822 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 823
 824 /**
 825  * struct ieee80211_rann_ie
 826  *
 827  * This structure refers to "Root Announcement information element"
 828  */
 829 struct ieee80211_rann_ie {
 830         u8 rann_flags;
 831         u8 rann_hopcount;
 832         u8 rann_ttl;
 833         u8 rann_addr[6];
 834         __le32 rann_seq;
 835         __le32 rann_interval;
 836         __le32 rann_metric;
 837 } __packed;
 838
 839 enum ieee80211_rann_flags {
 840         RANN_FLAG_IS_GATE = 1 << 0,
 841 };
 842
 843 enum ieee80211_ht_chanwidth_values {
 844         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 845         IEEE80211_HT_CHANWIDTH_ANY = 1,
 846 };
 847
 848 /**
 849  * enum ieee80211_opmode_bits - VHT operating mode field bits
 850  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 851  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 852  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 853  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 854  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 855  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 856  *      (the NSS value is the value of this field + 1)
 857  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 858  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 859  *      using a beamforming steering matrix
 860  */
 861 enum ieee80211_vht_opmode_bits {
 862         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 863         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 864         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 865         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 866         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 867         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 868         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 869         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 870 };
 871
 872 #define WLAN_SA_QUERY_TR_ID_LEN 2
 873 #define WLAN_MEMBERSHIP_LEN 8
 874 #define WLAN_USER_POSITION_LEN 16
 875
 876 /**
 877  * struct ieee80211_tpc_report_ie
 878  *
 879  * This structure refers to "TPC Report element"
 880  */
 881 struct ieee80211_tpc_report_ie {
 882         u8 tx_power;
 883         u8 link_margin;
 884 } __packed;
 885
 886 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
 887 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
 888 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
 889
 890 struct ieee80211_addba_ext_ie {
 891         u8 data;
 892 } __packed;
 893
 894 struct ieee80211_mgmt {
 895         __le16 frame_control;
 896         __le16 duration;
 897         u8 da[6];
 898         u8 sa[6];
 899         u8 bssid[6];
 900         __le16 seq_ctrl;
 901         union {
 902                 struct {
 903                         __le16 auth_alg;
 904                         __le16 auth_transaction;
 905                         __le16 status_code;
 906                         /* possibly followed by Challenge text */
 907                         u8 variable[0];
 908                 } __packed __aligned(4) auth;
 909                 struct {
 910                         __le16 reason_code;
 911                 } __packed __aligned(4) deauth;
 912                 struct {
 913                         __le16 capab_info;
 914                         __le16 listen_interval;
 915                         /* followed by SSID and Supported rates */
 916                         u8 variable[0];
 917                 } __packed __aligned(4) assoc_req;
 918                 struct {
 919                         __le16 capab_info;
 920                         __le16 status_code;
 921                         __le16 aid;
 922                         /* followed by Supported rates */
 923                         u8 variable[0];
 924                 } __packed __aligned(4) assoc_resp, reassoc_resp;
 925                 struct {
 926                         __le16 capab_info;
 927                         __le16 listen_interval;
 928                         u8 current_ap[6];
 929                         /* followed by SSID and Supported rates */
 930                         u8 variable[0];
 931                 } __packed __aligned(4) reassoc_req;
 932                 struct {
 933                         __le16 reason_code;
 934                 } __packed __aligned(4) disassoc;
 935                 struct {
 936                         __le64 timestamp;
 937                         __le16 beacon_int;
 938                         __le16 capab_info;
 939                         /* followed by some of SSID, Supported rates,
 940                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 941                         u8 variable[0];
 942                 } __packed __aligned(4) beacon;
 943                 struct {
 944                         /* only variable items: SSID, Supported rates */
 945                         u8 variable[0];
 946                 } __packed __aligned(4) probe_req;
 947                 struct {
 948                         __le64 timestamp;
 949                         __le16 beacon_int;
 950                         __le16 capab_info;
 951                         /* followed by some of SSID, Supported rates,
 952                          * FH Params, DS Params, CF Params, IBSS Params */
 953                         u8 variable[0];
 954                 } __packed __aligned(4) probe_resp;
 955                 struct {
 956                         u8 category;
 957                         union {
 958                                 struct {
 959                                         u8 action_code;
 960                                         u8 dialog_token;
 961                                         u8 status_code;
 962                                         u8 variable[0];
 963                                 } __packed wme_action;
 964                                 struct{
 965                                         u8 action_code;
 966                                         u8 variable[0];
 967                                 } __packed chan_switch;
 968                                 struct{
 969                                         u8 action_code;
 970                                         struct ieee80211_ext_chansw_ie data;
 971                                         u8 variable[0];
 972                                 } __packed ext_chan_switch;
 973                                 struct{
 974                                         u8 action_code;
 975                                         u8 dialog_token;
 976                                         u8 element_id;
 977                                         u8 length;
 978                                         struct ieee80211_msrment_ie msr_elem;
 979                                 } __packed measurement;
 980                                 struct{
 981                                         u8 action_code;
 982                                         u8 dialog_token;
 983                                         __le16 capab;
 984                                         __le16 timeout;
 985                                         __le16 start_seq_num;
 986                                 } __packed addba_req;
 987                                 struct{
 988                                         u8 action_code;
 989                                         u8 dialog_token;
 990                                         __le16 status;
 991                                         __le16 capab;
 992                                         __le16 timeout;
 993                                 } __packed addba_resp;
 994                                 struct{
 995                                         u8 action_code;
 996                                         __le16 params;
 997                                         __le16 reason_code;
 998                                 } __packed delba;
 999                                 struct {
1000                                         u8 action_code;
1001                                         u8 variable[0];
1002                                 } __packed self_prot;
1003                                 struct{
1004                                         u8 action_code;
1005                                         u8 variable[0];
1006                                 } __packed mesh_action;
1007                                 struct {
1008                                         u8 action;
1009                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1010                                 } __packed sa_query;
1011                                 struct {
1012                                         u8 action;
1013                                         u8 smps_control;
1014                                 } __packed ht_smps;
1015                                 struct {
1016                                         u8 action_code;
1017                                         u8 chanwidth;
1018                                 } __packed ht_notify_cw;
1019                                 struct {
1020                                         u8 action_code;
1021                                         u8 dialog_token;
1022                                         __le16 capability;
1023                                         u8 variable[0];
1024                                 } __packed tdls_discover_resp;
1025                                 struct {
1026                                         u8 action_code;
1027                                         u8 operating_mode;
1028                                 } __packed vht_opmode_notif;
1029                                 struct {
1030                                         u8 action_code;
1031                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1032                                         u8 position[WLAN_USER_POSITION_LEN];
1033                                 } __packed vht_group_notif;
1034                                 struct {
1035                                         u8 action_code;
1036                                         u8 dialog_token;
1037                                         u8 tpc_elem_id;
1038                                         u8 tpc_elem_length;
1039                                         struct ieee80211_tpc_report_ie tpc;
1040                                 } __packed tpc_report;
1041                                 struct {
1042                                         u8 action_code;
1043                                         u8 dialog_token;
1044                                         u8 follow_up;
1045                                         u8 tod[6];
1046                                         u8 toa[6];
1047                                         __le16 tod_error;
1048                                         __le16 toa_error;
1049                                         u8 variable[0];
1050                                 } __packed ftm;
1051                         } u;
1052                 } __packed __aligned(4) action;
1053         } u __aligned(2);
1054 } __packed __aligned(2);
1055
1056 /* Supported rates membership selectors */
1057 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1058 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1059
1060 /* mgmt header + 1 byte category code */
1061 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1062
1063
1064 /* Management MIC information element (IEEE 802.11w) */
1065 struct ieee80211_mmie {
1066         u8 element_id;
1067         u8 length;
1068         __le16 key_id;
1069         u8 sequence_number[6];
1070         u8 mic[8];
1071 } __packed;
1072
1073 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1074 struct ieee80211_mmie_16 {
1075         u8 element_id;
1076         u8 length;
1077         __le16 key_id;
1078         u8 sequence_number[6];
1079         u8 mic[16];
1080 } __packed;
1081
1082 struct ieee80211_vendor_ie {
1083         u8 element_id;
1084         u8 len;
1085         u8 oui[3];
1086         u8 oui_type;
1087 } __packed;
1088
1089 struct ieee80211_wmm_ac_param {
1090         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1091         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1092         __le16 txop_limit;
1093 } __packed;
1094
1095 struct ieee80211_wmm_param_ie {
1096         u8 element_id; /* Element ID: 221 (0xdd); */
1097         u8 len; /* Length: 24 */
1098         /* required fields for WMM version 1 */
1099         u8 oui[3]; /* 00:50:f2 */
1100         u8 oui_type; /* 2 */
1101         u8 oui_subtype; /* 1 */
1102         u8 version; /* 1 for WMM version 1.0 */
1103         u8 qos_info; /* AP/STA specific QoS info */
1104         u8 reserved; /* 0 */
1105         /* AC_BE, AC_BK, AC_VI, AC_VO */
1106         struct ieee80211_wmm_ac_param ac[4];
1107 } __packed;
1108
1109 /* Control frames */
1110 struct ieee80211_rts {
1111         __le16 frame_control;
1112         __le16 duration;
1113         u8 ra[6];
1114         u8 ta[6];
1115 } __packed __aligned(2);
1116
1117 struct ieee80211_cts {
1118         __le16 frame_control;
1119         __le16 duration;
1120         u8 ra[6];
1121 } __packed __aligned(2);
1122
1123 struct ieee80211_pspoll {
1124         __le16 frame_control;
1125         __le16 aid;
1126         u8 bssid[6];
1127         u8 ta[6];
1128 } __packed __aligned(2);
1129
1130 /* TDLS */
1131
1132 /* Channel switch timing */
1133 struct ieee80211_ch_switch_timing {
1134         __le16 switch_time;
1135         __le16 switch_timeout;
1136 } __packed;
1137
1138 /* Link-id information element */
1139 struct ieee80211_tdls_lnkie {
1140         u8 ie_type; /* Link Identifier IE */
1141         u8 ie_len;
1142         u8 bssid[6];
1143         u8 init_sta[6];
1144         u8 resp_sta[6];
1145 } __packed;
1146
1147 struct ieee80211_tdls_data {
1148         u8 da[6];
1149         u8 sa[6];
1150         __be16 ether_type;
1151         u8 payload_type;
1152         u8 category;
1153         u8 action_code;
1154         union {
1155                 struct {
1156                         u8 dialog_token;
1157                         __le16 capability;
1158                         u8 variable[0];
1159                 } __packed setup_req;
1160                 struct {
1161                         __le16 status_code;
1162                         u8 dialog_token;
1163                         __le16 capability;
1164                         u8 variable[0];
1165                 } __packed setup_resp;
1166                 struct {
1167                         __le16 status_code;
1168                         u8 dialog_token;
1169                         u8 variable[0];
1170                 } __packed setup_cfm;
1171                 struct {
1172                         __le16 reason_code;
1173                         u8 variable[0];
1174                 } __packed teardown;
1175                 struct {
1176                         u8 dialog_token;
1177                         u8 variable[0];
1178                 } __packed discover_req;
1179                 struct {
1180                         u8 target_channel;
1181                         u8 oper_class;
1182                         u8 variable[0];
1183                 } __packed chan_switch_req;
1184                 struct {
1185                         __le16 status_code;
1186                         u8 variable[0];
1187                 } __packed chan_switch_resp;
1188         } u;
1189 } __packed;
1190
1191 /*
1192  * Peer-to-Peer IE attribute related definitions.
1193  */
1194 /**
1195  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1196  */
1197 enum ieee80211_p2p_attr_id {
1198         IEEE80211_P2P_ATTR_STATUS = 0,
1199         IEEE80211_P2P_ATTR_MINOR_REASON,
1200         IEEE80211_P2P_ATTR_CAPABILITY,
1201         IEEE80211_P2P_ATTR_DEVICE_ID,
1202         IEEE80211_P2P_ATTR_GO_INTENT,
1203         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1204         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1205         IEEE80211_P2P_ATTR_GROUP_BSSID,
1206         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1207         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1208         IEEE80211_P2P_ATTR_MANAGABILITY,
1209         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1210         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1211         IEEE80211_P2P_ATTR_DEVICE_INFO,
1212         IEEE80211_P2P_ATTR_GROUP_INFO,
1213         IEEE80211_P2P_ATTR_GROUP_ID,
1214         IEEE80211_P2P_ATTR_INTERFACE,
1215         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1216         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1217         /* 19 - 220: Reserved */
1218         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1219
1220         IEEE80211_P2P_ATTR_MAX
1221 };
1222
1223 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1224 /* Typical max value used here */
1225 #define IEEE80211_P2P_NOA_DESC_MAX      4
1226
1227 struct ieee80211_p2p_noa_desc {
1228         u8 count;
1229         __le32 duration;
1230         __le32 interval;
1231         __le32 start_time;
1232 } __packed;
1233
1234 struct ieee80211_p2p_noa_attr {
1235         u8 index;
1236         u8 oppps_ctwindow;
1237         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1238 } __packed;
1239
1240 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1241 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1242
1243 /**
1244  * struct ieee80211_bar - HT Block Ack Request
1245  *
1246  * This structure refers to "HT BlockAckReq" as
1247  * described in 802.11n draft section 7.2.1.7.1
1248  */
1249 struct ieee80211_bar {
1250         __le16 frame_control;
1251         __le16 duration;
1252         __u8 ra[6];
1253         __u8 ta[6];
1254         __le16 control;
1255         __le16 start_seq_num;
1256 } __packed __aligned(2);
1257
1258 /* 802.11 BA(R) control masks */
1259 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1260 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1261 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1262 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1263 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1264
1265 /**
1266  * struct ieee80211_ba - HT Block Ack
1267  *
1268  * This structure refers to "HT BlockAck" as
1269  * described in 802.11n draft section 7.2.1.8.1
1270  */
1271 struct ieee80211_ba {
1272         __le16 frame_control;
1273         __le16 duration;
1274         u8 ra[6];
1275         u8 ta[6];
1276         __le16 control;
1277
1278         __le16 start_seq_num;
1279         u8 bitmap[8];
1280 } __packed;
1281
1282 #define IEEE80211_HT_MCS_MASK_LEN               10
1283
1284 /**
1285  * struct ieee80211_mcs_info - MCS information
1286  * @rx_mask: RX mask
1287  * @rx_highest: highest supported RX rate. If set represents
1288  *      the highest supported RX data rate in units of 1 Mbps.
1289  *      If this field is 0 this value should not be used to
1290  *      consider the highest RX data rate supported.
1291  * @tx_params: TX parameters
1292  */
1293 struct ieee80211_mcs_info {
1294         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1295         __le16 rx_highest;
1296         u8 tx_params;
1297         u8 reserved[3];
1298 } __packed;
1299
1300 /* 802.11n HT capability MSC set */
1301 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1302 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1303 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1304 /* value 0 == 1 stream etc */
1305 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1306 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1307 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1308 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1309
1310 /*
1311  * 802.11n D5.0 20.3.5 / 20.6 says:
1312  * - indices 0 to 7 and 32 are single spatial stream
1313  * - 8 to 31 are multiple spatial streams using equal modulation
1314  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1315  * - remainder are multiple spatial streams using unequal modulation
1316  */
1317 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1318 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1319         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1320
1321 /**
1322  * struct ieee80211_ht_cap - HT capabilities
1323  *
1324  * This structure is the "HT capabilities element" as
1325  * described in 802.11n D5.0 7.3.2.57
1326  */
1327 struct ieee80211_ht_cap {
1328         __le16 cap_info;
1329         u8 ampdu_params_info;
1330
1331         /* 16 bytes MCS information */
1332         struct ieee80211_mcs_info mcs;
1333
1334         __le16 extended_ht_cap_info;
1335         __le32 tx_BF_cap_info;
1336         u8 antenna_selection_info;
1337 } __packed;
1338
1339 /* 802.11n HT capabilities masks (for cap_info) */
1340 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1341 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1342 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1343 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1344 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1345 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1346 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1347 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1348 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1349 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1350 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1351 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1352 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1353 #define IEEE80211_HT_CAP_RESERVED               0x2000
1354 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1355 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1356
1357 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1358 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1359 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1360 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1361 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1362 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1363 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1364 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1365
1366 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1367 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1368 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1369 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1370
1371 /*
1372  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1373  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1374  */
1375 enum ieee80211_max_ampdu_length_exp {
1376         IEEE80211_HT_MAX_AMPDU_8K = 0,
1377         IEEE80211_HT_MAX_AMPDU_16K = 1,
1378         IEEE80211_HT_MAX_AMPDU_32K = 2,
1379         IEEE80211_HT_MAX_AMPDU_64K = 3
1380 };
1381
1382 /*
1383  * Maximum length of AMPDU that the STA can receive in VHT.
1384  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1385  */
1386 enum ieee80211_vht_max_ampdu_length_exp {
1387         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1388         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1389         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1390         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1391         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1392         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1393         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1394         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1395 };
1396
1397 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1398
1399 /* Minimum MPDU start spacing */
1400 enum ieee80211_min_mpdu_spacing {
1401         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1402         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1403         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1404         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1405         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1406         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1407         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1408         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1409 };
1410
1411 /**
1412  * struct ieee80211_ht_operation - HT operation IE
1413  *
1414  * This structure is the "HT operation element" as
1415  * described in 802.11n-2009 7.3.2.57
1416  */
1417 struct ieee80211_ht_operation {
1418         u8 primary_chan;
1419         u8 ht_param;
1420         __le16 operation_mode;
1421         __le16 stbc_param;
1422         u8 basic_set[16];
1423 } __packed;
1424
1425 /* for ht_param */
1426 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1427 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1428 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1429 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1430 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1431 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1432
1433 /* for operation_mode */
1434 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1435 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1436 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1437 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1438 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1439 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1440 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1441 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1442 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1443
1444 /* for stbc_param */
1445 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1446 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1447 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1448 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1449 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1450 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1451
1452
1453 /* block-ack parameters */
1454 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1455 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1456 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1457 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1458 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1459 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1460
1461 /*
1462  * A-MPDU buffer sizes
1463  * According to HT size varies from 8 to 64 frames
1464  * HE adds the ability to have up to 256 frames.
1465  */
1466 #define IEEE80211_MIN_AMPDU_BUF         0x8
1467 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1468 #define IEEE80211_MAX_AMPDU_BUF         0x100
1469
1470
1471 /* Spatial Multiplexing Power Save Modes (for capability) */
1472 #define WLAN_HT_CAP_SM_PS_STATIC        0
1473 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1474 #define WLAN_HT_CAP_SM_PS_INVALID       2
1475 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1476
1477 /* for SM power control field lower two bits */
1478 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1479 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1480 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1481
1482 /**
1483  * struct ieee80211_vht_mcs_info - VHT MCS information
1484  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1485  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1486  *      STA can receive. Rate expressed in units of 1 Mbps.
1487  *      If this field is 0 this value should not be used to
1488  *      consider the highest RX data rate supported.
1489  *      The top 3 bits of this field indicate the Maximum NSTS,total
1490  *      (a beamformee capability.)
1491  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1492  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1493  *      STA can transmit. Rate expressed in units of 1 Mbps.
1494  *      If this field is 0 this value should not be used to
1495  *      consider the highest TX data rate supported.
1496  *      The top 2 bits of this field are reserved, the
1497  *      3rd bit from the top indiciates VHT Extended NSS BW
1498  *      Capability.
1499  */
1500 struct ieee80211_vht_mcs_info {
1501         __le16 rx_mcs_map;
1502         __le16 rx_highest;
1503         __le16 tx_mcs_map;
1504         __le16 tx_highest;
1505 } __packed;
1506
1507 /* for rx_highest */
1508 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1509 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1510
1511 /* for tx_highest */
1512 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1513
1514 /**
1515  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1516  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1517  *      number of streams
1518  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1519  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1520  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1521  *
1522  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1523  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1524  * both split into 8 subfields by number of streams. These values indicate
1525  * which MCSes are supported for the number of streams the value appears
1526  * for.
1527  */
1528 enum ieee80211_vht_mcs_support {
1529         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1530         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1531         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1532         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1533 };
1534
1535 /**
1536  * struct ieee80211_vht_cap - VHT capabilities
1537  *
1538  * This structure is the "VHT capabilities element" as
1539  * described in 802.11ac D3.0 8.4.2.160
1540  * @vht_cap_info: VHT capability info
1541  * @supp_mcs: VHT MCS supported rates
1542  */
1543 struct ieee80211_vht_cap {
1544         __le32 vht_cap_info;
1545         struct ieee80211_vht_mcs_info supp_mcs;
1546 } __packed;
1547
1548 /**
1549  * enum ieee80211_vht_chanwidth - VHT channel width
1550  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1551  *      determine the channel width (20 or 40 MHz)
1552  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1553  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1554  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1555  */
1556 enum ieee80211_vht_chanwidth {
1557         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1558         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1559         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1560         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1561 };
1562
1563 /**
1564  * struct ieee80211_vht_operation - VHT operation IE
1565  *
1566  * This structure is the "VHT operation element" as
1567  * described in 802.11ac D3.0 8.4.2.161
1568  * @chan_width: Operating channel width
1569  * @center_freq_seg0_idx: center freq segment 0 index
1570  * @center_freq_seg1_idx: center freq segment 1 index
1571  * @basic_mcs_set: VHT Basic MCS rate set
1572  */
1573 struct ieee80211_vht_operation {
1574         u8 chan_width;
1575         u8 center_freq_seg0_idx;
1576         u8 center_freq_seg1_idx;
1577         __le16 basic_mcs_set;
1578 } __packed;
1579
1580 /**
1581  * struct ieee80211_he_cap_elem - HE capabilities element
1582  *
1583  * This structure is the "HE capabilities element" fixed fields as
1584  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1585  */
1586 struct ieee80211_he_cap_elem {
1587         u8 mac_cap_info[6];
1588         u8 phy_cap_info[11];
1589 } __packed;
1590
1591 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1592
1593 /**
1594  * enum ieee80211_he_mcs_support - HE MCS support definitions
1595  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1596  *      number of streams
1597  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1598  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1599  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1600  *
1601  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1602  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1603  * both split into 8 subfields by number of streams. These values indicate
1604  * which MCSes are supported for the number of streams the value appears
1605  * for.
1606  */
1607 enum ieee80211_he_mcs_support {
1608         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1609         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1610         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1611         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1612 };
1613
1614 /**
1615  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1616  *
1617  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1618  * described in P802.11ax_D2.0 section 9.4.2.237.4
1619  *
1620  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1621  *     widths less than 80MHz.
1622  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1623  *     widths less than 80MHz.
1624  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1625  *     width 160MHz.
1626  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1627  *     width 160MHz.
1628  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1629  *     channel width 80p80MHz.
1630  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1631  *     channel width 80p80MHz.
1632  */
1633 struct ieee80211_he_mcs_nss_supp {
1634         __le16 rx_mcs_80;
1635         __le16 tx_mcs_80;
1636         __le16 rx_mcs_160;
1637         __le16 tx_mcs_160;
1638         __le16 rx_mcs_80p80;
1639         __le16 tx_mcs_80p80;
1640 } __packed;
1641
1642 /**
1643  * struct ieee80211_he_operation - HE capabilities element
1644  *
1645  * This structure is the "HE operation element" fields as
1646  * described in P802.11ax_D4.0 section 9.4.2.243
1647  */
1648 struct ieee80211_he_operation {
1649         __le32 he_oper_params;
1650         __le16 he_mcs_nss_set;
1651         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1652         u8 optional[0];
1653 } __packed;
1654
1655 /**
1656  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1657  *
1658  * This structure is the "MU AC Parameter Record" fields as
1659  * described in P802.11ax_D4.0 section 9.4.2.245
1660  */
1661 struct ieee80211_he_mu_edca_param_ac_rec {
1662         u8 aifsn;
1663         u8 ecw_min_max;
1664         u8 mu_edca_timer;
1665 } __packed;
1666
1667 /**
1668  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1669  *
1670  * This structure is the "MU EDCA Parameter Set element" fields as
1671  * described in P802.11ax_D4.0 section 9.4.2.245
1672  */
1673 struct ieee80211_mu_edca_param_set {
1674         u8 mu_qos_info;
1675         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1676         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1677         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1678         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1679 } __packed;
1680
1681 /* 802.11ac VHT Capabilities */
1682 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1683 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1684 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1685 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1686 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1687 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1688 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1689 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1690 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1691 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1692 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1693 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1694 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1695 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1696 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1697 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1698 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1699 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1700 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1701 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1702 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1703 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1704                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1705 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1706 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1707                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1708 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1709 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1710 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1711 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1712 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1713 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1714                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1715 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1716 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1717 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1718 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1719 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1720 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1721
1722 /**
1723  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1724  * @cap: VHT capabilities of the peer
1725  * @bw: bandwidth to use
1726  * @mcs: MCS index to use
1727  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1728  *      (rate scaling algorithm) can deal with the new logic
1729  *      (dot11VHTExtendedNSSBWCapable)
1730  *
1731  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1732  * vary for a given BW/MCS. This function parses the data.
1733  *
1734  * Note: This function is exported by cfg80211.
1735  */
1736 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1737                               enum ieee80211_vht_chanwidth bw,
1738                               int mcs, bool ext_nss_bw_capable);
1739
1740 /* 802.11ax HE MAC capabilities */
1741 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1742 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1743 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1744 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1745 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1746 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1747 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1748 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1749 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1750 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1751 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1752 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1753 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1754 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1755 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1756 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1757 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1758
1759 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1760 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1761 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1762 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1763 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1764 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1765 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1766 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1767 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1768 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1769 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1770 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1771 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1772 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1773 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1774 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1775 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1776 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1777
1778 /* Link adaptation is split between byte HE_MAC_CAP1 and
1779  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1780  * in which case the following values apply:
1781  * 0 = No feedback.
1782  * 1 = reserved.
1783  * 2 = Unsolicited feedback.
1784  * 3 = both
1785  */
1786 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1787
1788 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1789 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1790 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1791 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1792 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1793 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1794 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1795 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1796
1797 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1798 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1799
1800 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1801  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1802  * same field in the HE capabilities.
1803  */
1804 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1805 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1806 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1807 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1808 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1809 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1810 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1811 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1812
1813 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1814 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1815 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1816 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1817 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1818 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1819 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1820 /* Multi TID agg TX is split between byte #4 and #5
1821  * The value is a combination of B39,B40,B41
1822  */
1823 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1824
1825 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1826 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1827 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1828 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1829 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1830 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1831 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1832 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
1833
1834 /* 802.11ax HE PHY capabilities */
1835 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1836 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1837 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1838 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1839 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1840 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1841 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1842
1843 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1844 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1845 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1846 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1847 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
1848 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
1849 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
1850 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
1851 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1852 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
1853
1854 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
1855 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
1856 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
1857 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
1858 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
1859 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
1860
1861 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1862  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1863  * case it indicates support for Tx.
1864  */
1865 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
1866 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
1867
1868 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
1869 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
1870 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
1871 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
1872 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
1873 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
1874 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
1875 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
1876 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
1877 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
1878 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
1879 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
1880 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
1881 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
1882 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
1883 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
1884
1885 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
1886 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
1887
1888 /* Minimal allowed value of Max STS under 80MHz is 3 */
1889 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
1890 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
1891 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
1892 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
1893 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
1894 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
1895
1896 /* Minimal allowed value of Max STS above 80MHz is 3 */
1897 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
1898 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
1899 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
1900 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
1901 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
1902 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
1903
1904 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
1905 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
1906 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
1907 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
1908 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
1909 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
1910 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
1911 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
1912 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
1913
1914 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
1915 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
1916 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
1917 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
1918 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
1919 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
1920 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
1921 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
1922 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
1923
1924 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
1925 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
1926
1927 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
1928 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
1929 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
1930 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
1931 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
1932 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
1933 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
1934 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
1935
1936 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
1937 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
1938 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
1939 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
1940 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
1941 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
1942 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
1943 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
1944 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
1945 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
1946 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
1947 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
1948 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
1949
1950 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
1951 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
1952 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
1953 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
1954 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
1955 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
1956 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
1957 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
1958 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
1959 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
1960 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
1961
1962 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
1963 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
1964 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
1965 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
1966 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
1967 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1968 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
1969 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
1970 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
1971 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
1972 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
1973
1974 /* 802.11ax HE TX/RX MCS NSS Support  */
1975 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
1976 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
1977 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
1978 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
1979 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
1980
1981 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
1982 enum ieee80211_he_highest_mcs_supported_subfield_enc {
1983         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1984         HIGHEST_MCS_SUPPORTED_MCS8,
1985         HIGHEST_MCS_SUPPORTED_MCS9,
1986         HIGHEST_MCS_SUPPORTED_MCS10,
1987         HIGHEST_MCS_SUPPORTED_MCS11,
1988 };
1989
1990 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1991 static inline u8
1992 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1993 {
1994         u8 count = 4;
1995
1996         if (he_cap->phy_cap_info[0] &
1997             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1998                 count += 4;
1999
2000         if (he_cap->phy_cap_info[0] &
2001             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2002                 count += 4;
2003
2004         return count;
2005 }
2006
2007 /* 802.11ax HE PPE Thresholds */
2008 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2009 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2010 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2011 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2012         (BIT(5) | BIT(6))
2013 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2014 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2015 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2016
2017 /*
2018  * Calculate 802.11ax HE capabilities IE PPE field size
2019  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2020  */
2021 static inline u8
2022 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2023 {
2024         u8 n;
2025
2026         if ((phy_cap_info[6] &
2027              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2028                 return 0;
2029
2030         n = hweight8(ppe_thres_hdr &
2031                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2032         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2033                    IEEE80211_PPE_THRES_NSS_POS));
2034
2035         /*
2036          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2037          * total size.
2038          */
2039         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2040         n = DIV_ROUND_UP(n, 8);
2041
2042         return n;
2043 }
2044
2045 /* HE Operation defines */
2046 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000003
2047 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2048 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2049 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2050 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2051 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2052 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2053 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2054 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2055 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET         24
2056 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2057 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2058
2059 /*
2060  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2061  * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2062  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2063  *      sizeof(struct ieee80211_he_operation) bytes, checked already in
2064  *      ieee802_11_parse_elems_crc()
2065  * @return the actual size of the IE data (not including header), or 0 on error
2066  */
2067 static inline u8
2068 ieee80211_he_oper_size(const u8 *he_oper_ie)
2069 {
2070         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2071         u8 oper_len = sizeof(struct ieee80211_he_operation);
2072         u32 he_oper_params;
2073
2074         /* Make sure the input is not NULL */
2075         if (!he_oper_ie)
2076                 return 0;
2077
2078         /* Calc required length */
2079         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2080         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2081                 oper_len += 3;
2082         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2083                 oper_len++;
2084         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2085                 oper_len += 4;
2086
2087         /* Add the first byte (extension ID) to the total length */
2088         oper_len++;
2089
2090         return oper_len;
2091 }
2092
2093 /* Authentication algorithms */
2094 #define WLAN_AUTH_OPEN 0
2095 #define WLAN_AUTH_SHARED_KEY 1
2096 #define WLAN_AUTH_FT 2
2097 #define WLAN_AUTH_SAE 3
2098 #define WLAN_AUTH_FILS_SK 4
2099 #define WLAN_AUTH_FILS_SK_PFS 5
2100 #define WLAN_AUTH_FILS_PK 6
2101 #define WLAN_AUTH_LEAP 128
2102
2103 #define WLAN_AUTH_CHALLENGE_LEN 128
2104
2105 #define WLAN_CAPABILITY_ESS             (1<<0)
2106 #define WLAN_CAPABILITY_IBSS            (1<<1)
2107
2108 /*
2109  * A mesh STA sets the ESS and IBSS capability bits to zero.
2110  * however, this holds true for p2p probe responses (in the p2p_find
2111  * phase) as well.
2112  */
2113 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2114         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2115
2116 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2117 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2118 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2119 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2120 #define WLAN_CAPABILITY_PBCC            (1<<6)
2121 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2122
2123 /* 802.11h */
2124 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2125 #define WLAN_CAPABILITY_QOS             (1<<9)
2126 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2127 #define WLAN_CAPABILITY_APSD            (1<<11)
2128 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2129 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2130 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2131 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2132
2133 /* DMG (60gHz) 802.11ad */
2134 /* type - bits 0..1 */
2135 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2136 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2137 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2138 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2139
2140 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2141 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2142 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2143 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2144
2145 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2146 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2147
2148 /* measurement */
2149 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2150 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2151 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2152
2153 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2154 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2155 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2156 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2157 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2158
2159 /* 802.11g ERP information element */
2160 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2161 #define WLAN_ERP_USE_PROTECTION (1<<1)
2162 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2163
2164 /* WLAN_ERP_BARKER_PREAMBLE values */
2165 enum {
2166         WLAN_ERP_PREAMBLE_SHORT = 0,
2167         WLAN_ERP_PREAMBLE_LONG = 1,
2168 };
2169
2170 /* Band ID, 802.11ad #8.4.1.45 */
2171 enum {
2172         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2173         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2174         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2175         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2176         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2177         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2178 };
2179
2180 /* Status codes */
2181 enum ieee80211_statuscode {
2182         WLAN_STATUS_SUCCESS = 0,
2183         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2184         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2185         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2186         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2187         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2188         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2189         WLAN_STATUS_CHALLENGE_FAIL = 15,
2190         WLAN_STATUS_AUTH_TIMEOUT = 16,
2191         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2192         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2193         /* 802.11b */
2194         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2195         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2196         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2197         /* 802.11h */
2198         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2199         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2200         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2201         /* 802.11g */
2202         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2203         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2204         /* 802.11w */
2205         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2206         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2207         /* 802.11i */
2208         WLAN_STATUS_INVALID_IE = 40,
2209         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2210         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2211         WLAN_STATUS_INVALID_AKMP = 43,
2212         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2213         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2214         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2215         /* 802.11e */
2216         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2217         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2218         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2219         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2220         WLAN_STATUS_REQUEST_DECLINED = 37,
2221         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2222         WLAN_STATUS_CHANGE_TSPEC = 39,
2223         WLAN_STATUS_WAIT_TS_DELAY = 47,
2224         WLAN_STATUS_NO_DIRECT_LINK = 48,
2225         WLAN_STATUS_STA_NOT_PRESENT = 49,
2226         WLAN_STATUS_STA_NOT_QSTA = 50,
2227         /* 802.11s */
2228         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2229         WLAN_STATUS_FCG_NOT_SUPP = 78,
2230         WLAN_STATUS_STA_NO_TBTT = 78,
2231         /* 802.11ad */
2232         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2233         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2234         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2235         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2236         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2237         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2238         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2239         WLAN_STATUS_REJECT_DSE_BAND = 96,
2240         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2241         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2242         /* 802.11ai */
2243         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2244         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2245 };
2246
2247
2248 /* Reason codes */
2249 enum ieee80211_reasoncode {
2250         WLAN_REASON_UNSPECIFIED = 1,
2251         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2252         WLAN_REASON_DEAUTH_LEAVING = 3,
2253         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2254         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2255         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2256         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2257         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2258         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2259         /* 802.11h */
2260         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2261         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2262         /* 802.11i */
2263         WLAN_REASON_INVALID_IE = 13,
2264         WLAN_REASON_MIC_FAILURE = 14,
2265         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2266         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2267         WLAN_REASON_IE_DIFFERENT = 17,
2268         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2269         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2270         WLAN_REASON_INVALID_AKMP = 20,
2271         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2272         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2273         WLAN_REASON_IEEE8021X_FAILED = 23,
2274         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2275         /* TDLS (802.11z) */
2276         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2277         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2278         /* 802.11e */
2279         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2280         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2281         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2282         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2283         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2284         WLAN_REASON_QSTA_NOT_USE = 37,
2285         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2286         WLAN_REASON_QSTA_TIMEOUT = 39,
2287         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2288         /* 802.11s */
2289         WLAN_REASON_MESH_PEER_CANCELED = 52,
2290         WLAN_REASON_MESH_MAX_PEERS = 53,
2291         WLAN_REASON_MESH_CONFIG = 54,
2292         WLAN_REASON_MESH_CLOSE = 55,
2293         WLAN_REASON_MESH_MAX_RETRIES = 56,
2294         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2295         WLAN_REASON_MESH_INVALID_GTK = 58,
2296         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2297         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2298         WLAN_REASON_MESH_PATH_ERROR = 61,
2299         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2300         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2301         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2302         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2303         WLAN_REASON_MESH_CHAN = 66,
2304 };
2305
2306
2307 /* Information Element IDs */
2308 enum ieee80211_eid {
2309         WLAN_EID_SSID = 0,
2310         WLAN_EID_SUPP_RATES = 1,
2311         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2312         WLAN_EID_DS_PARAMS = 3,
2313         WLAN_EID_CF_PARAMS = 4,
2314         WLAN_EID_TIM = 5,
2315         WLAN_EID_IBSS_PARAMS = 6,
2316         WLAN_EID_COUNTRY = 7,
2317         /* 8, 9 reserved */
2318         WLAN_EID_REQUEST = 10,
2319         WLAN_EID_QBSS_LOAD = 11,
2320         WLAN_EID_EDCA_PARAM_SET = 12,
2321         WLAN_EID_TSPEC = 13,
2322         WLAN_EID_TCLAS = 14,
2323         WLAN_EID_SCHEDULE = 15,
2324         WLAN_EID_CHALLENGE = 16,
2325         /* 17-31 reserved for challenge text extension */
2326         WLAN_EID_PWR_CONSTRAINT = 32,
2327         WLAN_EID_PWR_CAPABILITY = 33,
2328         WLAN_EID_TPC_REQUEST = 34,
2329         WLAN_EID_TPC_REPORT = 35,
2330         WLAN_EID_SUPPORTED_CHANNELS = 36,
2331         WLAN_EID_CHANNEL_SWITCH = 37,
2332         WLAN_EID_MEASURE_REQUEST = 38,
2333         WLAN_EID_MEASURE_REPORT = 39,
2334         WLAN_EID_QUIET = 40,
2335         WLAN_EID_IBSS_DFS = 41,
2336         WLAN_EID_ERP_INFO = 42,
2337         WLAN_EID_TS_DELAY = 43,
2338         WLAN_EID_TCLAS_PROCESSING = 44,
2339         WLAN_EID_HT_CAPABILITY = 45,
2340         WLAN_EID_QOS_CAPA = 46,
2341         /* 47 reserved for Broadcom */
2342         WLAN_EID_RSN = 48,
2343         WLAN_EID_802_15_COEX = 49,
2344         WLAN_EID_EXT_SUPP_RATES = 50,
2345         WLAN_EID_AP_CHAN_REPORT = 51,
2346         WLAN_EID_NEIGHBOR_REPORT = 52,
2347         WLAN_EID_RCPI = 53,
2348         WLAN_EID_MOBILITY_DOMAIN = 54,
2349         WLAN_EID_FAST_BSS_TRANSITION = 55,
2350         WLAN_EID_TIMEOUT_INTERVAL = 56,
2351         WLAN_EID_RIC_DATA = 57,
2352         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2353         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2354         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2355         WLAN_EID_HT_OPERATION = 61,
2356         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2357         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2358         WLAN_EID_ANTENNA_INFO = 64,
2359         WLAN_EID_RSNI = 65,
2360         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2361         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2362         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2363         WLAN_EID_TIME_ADVERTISEMENT = 69,
2364         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2365         WLAN_EID_MULTIPLE_BSSID = 71,
2366         WLAN_EID_BSS_COEX_2040 = 72,
2367         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2368         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2369         WLAN_EID_RIC_DESCRIPTOR = 75,
2370         WLAN_EID_MMIE = 76,
2371         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2372         WLAN_EID_EVENT_REQUEST = 78,
2373         WLAN_EID_EVENT_REPORT = 79,
2374         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2375         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2376         WLAN_EID_LOCATION_PARAMS = 82,
2377         WLAN_EID_NON_TX_BSSID_CAP =  83,
2378         WLAN_EID_SSID_LIST = 84,
2379         WLAN_EID_MULTI_BSSID_IDX = 85,
2380         WLAN_EID_FMS_DESCRIPTOR = 86,
2381         WLAN_EID_FMS_REQUEST = 87,
2382         WLAN_EID_FMS_RESPONSE = 88,
2383         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2384         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2385         WLAN_EID_TSF_REQUEST = 91,
2386         WLAN_EID_TSF_RESPOSNE = 92,
2387         WLAN_EID_WNM_SLEEP_MODE = 93,
2388         WLAN_EID_TIM_BCAST_REQ = 94,
2389         WLAN_EID_TIM_BCAST_RESP = 95,
2390         WLAN_EID_COLL_IF_REPORT = 96,
2391         WLAN_EID_CHANNEL_USAGE = 97,
2392         WLAN_EID_TIME_ZONE = 98,
2393         WLAN_EID_DMS_REQUEST = 99,
2394         WLAN_EID_DMS_RESPONSE = 100,
2395         WLAN_EID_LINK_ID = 101,
2396         WLAN_EID_WAKEUP_SCHEDUL = 102,
2397         /* 103 reserved */
2398         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2399         WLAN_EID_PTI_CONTROL = 105,
2400         WLAN_EID_PU_BUFFER_STATUS = 106,
2401         WLAN_EID_INTERWORKING = 107,
2402         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2403         WLAN_EID_EXPEDITED_BW_REQ = 109,
2404         WLAN_EID_QOS_MAP_SET = 110,
2405         WLAN_EID_ROAMING_CONSORTIUM = 111,
2406         WLAN_EID_EMERGENCY_ALERT = 112,
2407         WLAN_EID_MESH_CONFIG = 113,
2408         WLAN_EID_MESH_ID = 114,
2409         WLAN_EID_LINK_METRIC_REPORT = 115,
2410         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2411         WLAN_EID_PEER_MGMT = 117,
2412         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2413         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2414         WLAN_EID_BEACON_TIMING = 120,
2415         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2416         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2417         WLAN_EID_MCCAOP_ADVERT = 123,
2418         WLAN_EID_MCCAOP_TEARDOWN = 124,
2419         WLAN_EID_GANN = 125,
2420         WLAN_EID_RANN = 126,
2421         WLAN_EID_EXT_CAPABILITY = 127,
2422         /* 128, 129 reserved for Agere */
2423         WLAN_EID_PREQ = 130,
2424         WLAN_EID_PREP = 131,
2425         WLAN_EID_PERR = 132,
2426         /* 133-136 reserved for Cisco */
2427         WLAN_EID_PXU = 137,
2428         WLAN_EID_PXUC = 138,
2429         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2430         WLAN_EID_MIC = 140,
2431         WLAN_EID_DESTINATION_URI = 141,
2432         WLAN_EID_UAPSD_COEX = 142,
2433         WLAN_EID_WAKEUP_SCHEDULE = 143,
2434         WLAN_EID_EXT_SCHEDULE = 144,
2435         WLAN_EID_STA_AVAILABILITY = 145,
2436         WLAN_EID_DMG_TSPEC = 146,
2437         WLAN_EID_DMG_AT = 147,
2438         WLAN_EID_DMG_CAP = 148,
2439         /* 149 reserved for Cisco */
2440         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2441         WLAN_EID_DMG_OPERATION = 151,
2442         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2443         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2444         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2445         /* 155-156 reserved for Cisco */
2446         WLAN_EID_AWAKE_WINDOW = 157,
2447         WLAN_EID_MULTI_BAND = 158,
2448         WLAN_EID_ADDBA_EXT = 159,
2449         WLAN_EID_NEXT_PCP_LIST = 160,
2450         WLAN_EID_PCP_HANDOVER = 161,
2451         WLAN_EID_DMG_LINK_MARGIN = 162,
2452         WLAN_EID_SWITCHING_STREAM = 163,
2453         WLAN_EID_SESSION_TRANSITION = 164,
2454         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2455         WLAN_EID_CLUSTER_REPORT = 166,
2456         WLAN_EID_RELAY_CAP = 167,
2457         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2458         WLAN_EID_BEAM_LINK_MAINT = 169,
2459         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2460         WLAN_EID_U_PID = 171,
2461         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2462         /* 173 reserved for Symbol */
2463         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2464         WLAN_EID_QUIET_PERIOD_REQ = 175,
2465         /* 176 reserved for Symbol */
2466         WLAN_EID_QUIET_PERIOD_RESP = 177,
2467         /* 178-179 reserved for Symbol */
2468         /* 180 reserved for ISO/IEC 20011 */
2469         WLAN_EID_EPAC_POLICY = 182,
2470         WLAN_EID_CLISTER_TIME_OFF = 183,
2471         WLAN_EID_INTER_AC_PRIO = 184,
2472         WLAN_EID_SCS_DESCRIPTOR = 185,
2473         WLAN_EID_QLOAD_REPORT = 186,
2474         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2475         WLAN_EID_HL_STREAM_ID = 188,
2476         WLAN_EID_GCR_GROUP_ADDR = 189,
2477         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2478         WLAN_EID_VHT_CAPABILITY = 191,
2479         WLAN_EID_VHT_OPERATION = 192,
2480         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2481         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2482         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2483         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2484         WLAN_EID_AID = 197,
2485         WLAN_EID_QUIET_CHANNEL = 198,
2486         WLAN_EID_OPMODE_NOTIF = 199,
2487
2488         WLAN_EID_VENDOR_SPECIFIC = 221,
2489         WLAN_EID_QOS_PARAMETER = 222,
2490         WLAN_EID_CAG_NUMBER = 237,
2491         WLAN_EID_AP_CSN = 239,
2492         WLAN_EID_FILS_INDICATION = 240,
2493         WLAN_EID_DILS = 241,
2494         WLAN_EID_FRAGMENT = 242,
2495         WLAN_EID_EXTENSION = 255
2496 };
2497
2498 /* Element ID Extensions for Element ID 255 */
2499 enum ieee80211_eid_ext {
2500         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2501         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2502         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2503         WLAN_EID_EXT_FILS_SESSION = 4,
2504         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2505         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2506         WLAN_EID_EXT_KEY_DELIVERY = 7,
2507         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2508         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2509         WLAN_EID_EXT_FILS_NONCE = 13,
2510         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2511         WLAN_EID_EXT_HE_CAPABILITY = 35,
2512         WLAN_EID_EXT_HE_OPERATION = 36,
2513         WLAN_EID_EXT_UORA = 37,
2514         WLAN_EID_EXT_HE_MU_EDCA = 38,
2515         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2516         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2517         WLAN_EID_EXT_NON_INHERITANCE = 56,
2518 };
2519
2520 /* Action category code */
2521 enum ieee80211_category {
2522         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2523         WLAN_CATEGORY_QOS = 1,
2524         WLAN_CATEGORY_DLS = 2,
2525         WLAN_CATEGORY_BACK = 3,
2526         WLAN_CATEGORY_PUBLIC = 4,
2527         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2528         WLAN_CATEGORY_HT = 7,
2529         WLAN_CATEGORY_SA_QUERY = 8,
2530         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2531         WLAN_CATEGORY_WNM = 10,
2532         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2533         WLAN_CATEGORY_TDLS = 12,
2534         WLAN_CATEGORY_MESH_ACTION = 13,
2535         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2536         WLAN_CATEGORY_SELF_PROTECTED = 15,
2537         WLAN_CATEGORY_DMG = 16,
2538         WLAN_CATEGORY_WMM = 17,
2539         WLAN_CATEGORY_FST = 18,
2540         WLAN_CATEGORY_UNPROT_DMG = 20,
2541         WLAN_CATEGORY_VHT = 21,
2542         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2543         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2544 };
2545
2546 /* SPECTRUM_MGMT action code */
2547 enum ieee80211_spectrum_mgmt_actioncode {
2548         WLAN_ACTION_SPCT_MSR_REQ = 0,
2549         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2550         WLAN_ACTION_SPCT_TPC_REQ = 2,
2551         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2552         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2553 };
2554
2555 /* HT action codes */
2556 enum ieee80211_ht_actioncode {
2557         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2558         WLAN_HT_ACTION_SMPS = 1,
2559         WLAN_HT_ACTION_PSMP = 2,
2560         WLAN_HT_ACTION_PCO_PHASE = 3,
2561         WLAN_HT_ACTION_CSI = 4,
2562         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2563         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2564         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2565 };
2566
2567 /* VHT action codes */
2568 enum ieee80211_vht_actioncode {
2569         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2570         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2571         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2572 };
2573
2574 /* Self Protected Action codes */
2575 enum ieee80211_self_protected_actioncode {
2576         WLAN_SP_RESERVED = 0,
2577         WLAN_SP_MESH_PEERING_OPEN = 1,
2578         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2579         WLAN_SP_MESH_PEERING_CLOSE = 3,
2580         WLAN_SP_MGK_INFORM = 4,
2581         WLAN_SP_MGK_ACK = 5,
2582 };
2583
2584 /* Mesh action codes */
2585 enum ieee80211_mesh_actioncode {
2586         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2587         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2588         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2589         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2590         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2591         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2592         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2593         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2594         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2595         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2596         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2597 };
2598
2599 /* Security key length */
2600 enum ieee80211_key_len {
2601         WLAN_KEY_LEN_WEP40 = 5,
2602         WLAN_KEY_LEN_WEP104 = 13,
2603         WLAN_KEY_LEN_CCMP = 16,
2604         WLAN_KEY_LEN_CCMP_256 = 32,
2605         WLAN_KEY_LEN_TKIP = 32,
2606         WLAN_KEY_LEN_AES_CMAC = 16,
2607         WLAN_KEY_LEN_SMS4 = 32,
2608         WLAN_KEY_LEN_GCMP = 16,
2609         WLAN_KEY_LEN_GCMP_256 = 32,
2610         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2611         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2612         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2613 };
2614
2615 #define IEEE80211_WEP_IV_LEN            4
2616 #define IEEE80211_WEP_ICV_LEN           4
2617 #define IEEE80211_CCMP_HDR_LEN          8
2618 #define IEEE80211_CCMP_MIC_LEN          8
2619 #define IEEE80211_CCMP_PN_LEN           6
2620 #define IEEE80211_CCMP_256_HDR_LEN      8
2621 #define IEEE80211_CCMP_256_MIC_LEN      16
2622 #define IEEE80211_CCMP_256_PN_LEN       6
2623 #define IEEE80211_TKIP_IV_LEN           8
2624 #define IEEE80211_TKIP_ICV_LEN          4
2625 #define IEEE80211_CMAC_PN_LEN           6
2626 #define IEEE80211_GMAC_PN_LEN           6
2627 #define IEEE80211_GCMP_HDR_LEN          8
2628 #define IEEE80211_GCMP_MIC_LEN          16
2629 #define IEEE80211_GCMP_PN_LEN           6
2630
2631 #define FILS_NONCE_LEN                  16
2632 #define FILS_MAX_KEK_LEN                64
2633
2634 #define FILS_ERP_MAX_USERNAME_LEN       16
2635 #define FILS_ERP_MAX_REALM_LEN          253
2636 #define FILS_ERP_MAX_RRK_LEN            64
2637
2638 #define PMK_MAX_LEN                     64
2639 #define SAE_PASSWORD_MAX_LEN            128
2640
2641 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2642 enum ieee80211_pub_actioncode {
2643         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2644         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2645         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2646         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2647         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2648         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2649         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2650         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2651         WLAN_PUB_ACTION_DSE_PC = 8,
2652         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2653         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2654         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2655         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2656         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2657         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2658         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2659         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2660         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2661         WLAN_PUB_ACTION_QMF_POLICY = 18,
2662         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2663         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2664         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2665         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2666         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2667         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2668         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2669         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2670         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2671         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2672         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2673         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2674         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2675         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2676         WLAN_PUB_ACTION_FTM = 33,
2677         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2678 };
2679
2680 /* TDLS action codes */
2681 enum ieee80211_tdls_actioncode {
2682         WLAN_TDLS_SETUP_REQUEST = 0,
2683         WLAN_TDLS_SETUP_RESPONSE = 1,
2684         WLAN_TDLS_SETUP_CONFIRM = 2,
2685         WLAN_TDLS_TEARDOWN = 3,
2686         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2687         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2688         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2689         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2690         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2691         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2692         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2693 };
2694
2695 /* Extended Channel Switching capability to be set in the 1st byte of
2696  * the @WLAN_EID_EXT_CAPABILITY information element
2697  */
2698 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2699
2700 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2701  * @WLAN_EID_EXT_CAPABILITY information element
2702  */
2703 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2704
2705 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2706 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2707 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2708 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2709
2710 /* Interworking capabilities are set in 7th bit of 4th byte of the
2711  * @WLAN_EID_EXT_CAPABILITY information element
2712  */
2713 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2714
2715 /*
2716  * TDLS capabililites to be enabled in the 5th byte of the
2717  * @WLAN_EID_EXT_CAPABILITY information element
2718  */
2719 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2720 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2721 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2722
2723 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2724 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2725
2726 /* Defines the maximal number of MSDUs in an A-MSDU. */
2727 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2728 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2729
2730 /*
2731  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2732  * information element
2733  */
2734 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2735
2736 /* Defines support for TWT Requester and TWT Responder */
2737 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
2738 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
2739
2740 /*
2741  * When set, indicates that the AP is able to tolerate 26-tone RU UL
2742  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
2743  * 26-tone RU UL OFDMA transmissions as radar pulses).
2744  */
2745 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
2746
2747 /* Defines support for enhanced multi-bssid advertisement*/
2748 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
2749
2750 /* TDLS specific payload type in the LLC/SNAP header */
2751 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2752
2753 /* BSS Coex IE information field bits */
2754 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2755
2756 /**
2757  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2758  *
2759  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2760  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2761  *      that will be specified in a vendor specific information element
2762  */
2763 enum ieee80211_mesh_sync_method {
2764         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2765         IEEE80211_SYNC_METHOD_VENDOR = 255,
2766 };
2767
2768 /**
2769  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2770  *
2771  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2772  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2773  *      be specified in a vendor specific information element
2774  */
2775 enum ieee80211_mesh_path_protocol {
2776         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2777         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2778 };
2779
2780 /**
2781  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2782  *
2783  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2784  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2785  *      specified in a vendor specific information element
2786  */
2787 enum ieee80211_mesh_path_metric {
2788         IEEE80211_PATH_METRIC_AIRTIME = 1,
2789         IEEE80211_PATH_METRIC_VENDOR = 255,
2790 };
2791
2792 /**
2793  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2794  *
2795  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2796  *
2797  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2798  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2799  *      this value
2800  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2801  *      the proactive PREQ with proactive PREP subfield set to 0
2802  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2803  *      supports the proactive PREQ with proactive PREP subfield set to 1
2804  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2805  *      the proactive RANN
2806  */
2807 enum ieee80211_root_mode_identifier {
2808         IEEE80211_ROOTMODE_NO_ROOT = 0,
2809         IEEE80211_ROOTMODE_ROOT = 1,
2810         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2811         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2812         IEEE80211_PROACTIVE_RANN = 4,
2813 };
2814
2815 /*
2816  * IEEE 802.11-2007 7.3.2.9 Country information element
2817  *
2818  * Minimum length is 8 octets, ie len must be evenly
2819  * divisible by 2
2820  */
2821
2822 /* Although the spec says 8 I'm seeing 6 in practice */
2823 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2824
2825 /* The Country String field of the element shall be 3 octets in length */
2826 #define IEEE80211_COUNTRY_STRING_LEN    3
2827
2828 /*
2829  * For regulatory extension stuff see IEEE 802.11-2007
2830  * Annex I (page 1141) and Annex J (page 1147). Also
2831  * review 7.3.2.9.
2832  *
2833  * When dot11RegulatoryClassesRequired is true and the
2834  * first_channel/reg_extension_id is >= 201 then the IE
2835  * compromises of the 'ext' struct represented below:
2836  *
2837  *  - Regulatory extension ID - when generating IE this just needs
2838  *    to be monotonically increasing for each triplet passed in
2839  *    the IE
2840  *  - Regulatory class - index into set of rules
2841  *  - Coverage class - index into air propagation time (Table 7-27),
2842  *    in microseconds, you can compute the air propagation time from
2843  *    the index by multiplying by 3, so index 10 yields a propagation
2844  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2845  *    yet. A value of 0 inicates air propagation of <= 1 us.
2846  *
2847  *  See also Table I.2 for Emission limit sets and table
2848  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2849  *  a reg_class to an emission limit set and behavior limit set.
2850  */
2851 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2852
2853 /*
2854  *  Channels numbers in the IE must be monotonically increasing
2855  *  if dot11RegulatoryClassesRequired is not true.
2856  *
2857  *  If dot11RegulatoryClassesRequired is true consecutive
2858  *  subband triplets following a regulatory triplet shall
2859  *  have monotonically increasing first_channel number fields.
2860  *
2861  *  Channel numbers shall not overlap.
2862  *
2863  *  Note that max_power is signed.
2864  */
2865 struct ieee80211_country_ie_triplet {
2866         union {
2867                 struct {
2868                         u8 first_channel;
2869                         u8 num_channels;
2870                         s8 max_power;
2871                 } __packed chans;
2872                 struct {
2873                         u8 reg_extension_id;
2874                         u8 reg_class;
2875                         u8 coverage_class;
2876                 } __packed ext;
2877         };
2878 } __packed;
2879
2880 enum ieee80211_timeout_interval_type {
2881         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2882         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2883         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2884 };
2885
2886 /**
2887  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2888  * @type: type, see &enum ieee80211_timeout_interval_type
2889  * @value: timeout interval value
2890  */
2891 struct ieee80211_timeout_interval_ie {
2892         u8 type;
2893         __le32 value;
2894 } __packed;
2895
2896 /**
2897  * enum ieee80211_idle_options - BSS idle options
2898  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2899  *      protected frame to the AP to reset the idle timer at the AP for
2900  *      the station.
2901  */
2902 enum ieee80211_idle_options {
2903         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2904 };
2905
2906 /**
2907  * struct ieee80211_bss_max_idle_period_ie
2908  *
2909  * This structure refers to "BSS Max idle period element"
2910  *
2911  * @max_idle_period: indicates the time period during which a station can
2912  *      refrain from transmitting frames to its associated AP without being
2913  *      disassociated. In units of 1000 TUs.
2914  * @idle_options: indicates the options associated with the BSS idle capability
2915  *      as specified in &enum ieee80211_idle_options.
2916  */
2917 struct ieee80211_bss_max_idle_period_ie {
2918         __le16 max_idle_period;
2919         u8 idle_options;
2920 } __packed;
2921
2922 /* BACK action code */
2923 enum ieee80211_back_actioncode {
2924         WLAN_ACTION_ADDBA_REQ = 0,
2925         WLAN_ACTION_ADDBA_RESP = 1,
2926         WLAN_ACTION_DELBA = 2,
2927 };
2928
2929 /* BACK (block-ack) parties */
2930 enum ieee80211_back_parties {
2931         WLAN_BACK_RECIPIENT = 0,
2932         WLAN_BACK_INITIATOR = 1,
2933 };
2934
2935 /* SA Query action */
2936 enum ieee80211_sa_query_action {
2937         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2938         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2939 };
2940
2941 /**
2942  * struct ieee80211_bssid_index
2943  *
2944  * This structure refers to "Multiple BSSID-index element"
2945  *
2946  * @bssid_index: BSSID index
2947  * @dtim_period: optional, overrides transmitted BSS dtim period
2948  * @dtim_count: optional, overrides transmitted BSS dtim count
2949  */
2950 struct ieee80211_bssid_index {
2951         u8 bssid_index;
2952         u8 dtim_period;
2953         u8 dtim_count;
2954 };
2955
2956 /**
2957  * struct ieee80211_multiple_bssid_configuration
2958  *
2959  * This structure refers to "Multiple BSSID Configuration element"
2960  *
2961  * @bssid_count: total number of active BSSIDs in the set
2962  * @profile_periodicity: the least number of beacon frames need to be received
2963  *      in order to discover all the nontransmitted BSSIDs in the set.
2964  */
2965 struct ieee80211_multiple_bssid_configuration {
2966         u8 bssid_count;
2967         u8 profile_periodicity;
2968 };
2969
2970 #define SUITE(oui, id) (((oui) << 8) | (id))
2971
2972 /* cipher suite selectors */
2973 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
2974 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
2975 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
2976 /* reserved:                            SUITE(0x000FAC, 3) */
2977 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
2978 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
2979 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
2980 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
2981 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
2982 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
2983 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
2984 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
2985 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
2986
2987 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
2988
2989 /* AKM suite selectors */
2990 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
2991 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
2992 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
2993 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
2994 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
2995 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
2996 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
2997 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
2998 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
2999 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3000 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3001 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3002 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3003 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3004 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3005
3006 #define WLAN_MAX_KEY_LEN                32
3007
3008 #define WLAN_PMK_NAME_LEN               16
3009 #define WLAN_PMKID_LEN                  16
3010 #define WLAN_PMK_LEN_EAP_LEAP           16
3011 #define WLAN_PMK_LEN                    32
3012 #define WLAN_PMK_LEN_SUITE_B_192        48
3013
3014 #define WLAN_OUI_WFA                    0x506f9a
3015 #define WLAN_OUI_TYPE_WFA_P2P           9
3016 #define WLAN_OUI_MICROSOFT              0x0050f2
3017 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3018 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3019 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3020 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3021
3022 /*
3023  * WMM/802.11e Tspec Element
3024  */
3025 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3026 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3027
3028 enum ieee80211_tspec_status_code {
3029         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3030         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3031 };
3032
3033 struct ieee80211_tspec_ie {
3034         u8 element_id;
3035         u8 len;
3036         u8 oui[3];
3037         u8 oui_type;
3038         u8 oui_subtype;
3039         u8 version;
3040         __le16 tsinfo;
3041         u8 tsinfo_resvd;
3042         __le16 nominal_msdu;
3043         __le16 max_msdu;
3044         __le32 min_service_int;
3045         __le32 max_service_int;
3046         __le32 inactivity_int;
3047         __le32 suspension_int;
3048         __le32 service_start_time;
3049         __le32 min_data_rate;
3050         __le32 mean_data_rate;
3051         __le32 peak_data_rate;
3052         __le32 max_burst_size;
3053         __le32 delay_bound;
3054         __le32 min_phy_rate;
3055         __le16 sba;
3056         __le16 medium_time;
3057 } __packed;
3058
3059 /**
3060  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3061  * @hdr: the frame
3062  *
3063  * The qos ctrl bytes come after the frame_control, duration, seq_num
3064  * and 3 or 4 addresses of length ETH_ALEN.
3065  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3066  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3067  */
3068 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3069 {
3070         if (ieee80211_has_a4(hdr->frame_control))
3071                 return (u8 *)hdr + 30;
3072         else
3073                 return (u8 *)hdr + 24;
3074 }
3075
3076 /**
3077  * ieee80211_get_tid - get qos TID
3078  * @hdr: the frame
3079  */
3080 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3081 {
3082         u8 *qc = ieee80211_get_qos_ctl(hdr);
3083
3084         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3085 }
3086
3087 /**
3088  * ieee80211_get_SA - get pointer to SA
3089  * @hdr: the frame
3090  *
3091  * Given an 802.11 frame, this function returns the offset
3092  * to the source address (SA). It does not verify that the
3093  * header is long enough to contain the address, and the
3094  * header must be long enough to contain the frame control
3095  * field.
3096  */
3097 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3098 {
3099         if (ieee80211_has_a4(hdr->frame_control))
3100                 return hdr->addr4;
3101         if (ieee80211_has_fromds(hdr->frame_control))
3102                 return hdr->addr3;
3103         return hdr->addr2;
3104 }
3105
3106 /**
3107  * ieee80211_get_DA - get pointer to DA
3108  * @hdr: the frame
3109  *
3110  * Given an 802.11 frame, this function returns the offset
3111  * to the destination address (DA). It does not verify that
3112  * the header is long enough to contain the address, and the
3113  * header must be long enough to contain the frame control
3114  * field.
3115  */
3116 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3117 {
3118         if (ieee80211_has_tods(hdr->frame_control))
3119                 return hdr->addr3;
3120         else
3121                 return hdr->addr1;
3122 }
3123
3124 /**
3125  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3126  * @hdr: the frame (buffer must include at least the first octet of payload)
3127  */
3128 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3129 {
3130         if (ieee80211_is_disassoc(hdr->frame_control) ||
3131             ieee80211_is_deauth(hdr->frame_control))
3132                 return true;
3133
3134         if (ieee80211_is_action(hdr->frame_control)) {
3135                 u8 *category;
3136
3137                 /*
3138                  * Action frames, excluding Public Action frames, are Robust
3139                  * Management Frames. However, if we are looking at a Protected
3140                  * frame, skip the check since the data may be encrypted and
3141                  * the frame has already been found to be a Robust Management
3142                  * Frame (by the other end).
3143                  */
3144                 if (ieee80211_has_protected(hdr->frame_control))
3145                         return true;
3146                 category = ((u8 *) hdr) + 24;
3147                 return *category != WLAN_CATEGORY_PUBLIC &&
3148                         *category != WLAN_CATEGORY_HT &&
3149                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3150                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3151                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3152                         *category != WLAN_CATEGORY_VHT &&
3153                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3154         }
3155
3156         return false;
3157 }
3158
3159 /**
3160  * ieee80211_is_public_action - check if frame is a public action frame
3161  * @hdr: the frame
3162  * @len: length of the frame
3163  */
3164 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3165                                               size_t len)
3166 {
3167         struct ieee80211_mgmt *mgmt = (void *)hdr;
3168
3169         if (len < IEEE80211_MIN_ACTION_SIZE)
3170                 return false;
3171         if (!ieee80211_is_action(hdr->frame_control))
3172                 return false;
3173         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3174 }
3175
3176 static inline bool is_multicast_ether_addr(const u8 *a)
3177 {
3178         return 0x01 & a[0];
3179 }
3180
3181 /**
3182  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3183  * privacy action frame
3184  * @hdr: the frame
3185  */
3186 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3187 {
3188         struct ieee80211_mgmt *mgmt = (void *)hdr;
3189
3190         if (!ieee80211_is_action(hdr->frame_control) ||
3191             !is_multicast_ether_addr(hdr->addr1))
3192                 return false;
3193
3194         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3195                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3196 }
3197
3198 /**
3199  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3200  * @tu: the TUs
3201  */
3202 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3203 {
3204         return 1024 * tu;
3205 }
3206
3207 /**
3208  * ieee80211_check_tim - check if AID bit is set in TIM
3209  * @tim: the TIM IE
3210  * @tim_len: length of the TIM IE
3211  * @aid: the AID to look for
3212  */
3213 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3214                                        u8 tim_len, u16 aid)
3215 {
3216         u8 mask;
3217         u8 indexn0, indexn1, indexn2;
3218
3219         if (unlikely(!tim || tim_len < sizeof(*tim)))
3220                 return false;
3221
3222         aid &= 0x3fff;
3223         indexn0 = aid / 8;
3224         mask  = 1 << (aid & 7);
3225
3226         indexn1 = tim->bitmap_ctrl & 0xfe;
3227         indexn2 = tim_len + indexn1 - 4;
3228
3229         if (indexn0 < indexn1 || indexn0 > indexn2)
3230                 return false;
3231
3232         indexn0 -= indexn1;
3233
3234         return !!(tim->virtual_map[indexn0] & mask);
3235 }
3236
3237 /* convert time units */
3238 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
3239 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
3240
3241 struct element {
3242         u8 id;
3243         u8 datalen;
3244         u8 data[];
3245 } __packed;
3246
3247 /* element iteration helpers */
3248 #define for_each_element(_elem, _data, _datalen)                        \
3249         for (_elem = (const struct element *)(_data);                   \
3250              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3251                 (int)sizeof(*_elem) &&                                  \
3252              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3253                 (int)sizeof(*_elem) + _elem->datalen;                   \
3254              _elem = (const struct element *)(_elem->data + _elem->datalen))
3255
3256 #define for_each_element_id(element, _id, data, datalen)                \
3257         for_each_element(element, data, datalen)                        \
3258                 if (element->id == (_id))
3259
3260 #define for_each_element_extid(element, extid, _data, _datalen)         \
3261         for_each_element(element, _data, _datalen)                      \
3262                 if (element->id == WLAN_EID_EXTENSION &&                \
3263                     element->datalen > 0 &&                             \
3264                     element->data[0] == (extid))
3265
3266 #define for_each_subelement(sub, element)                               \
3267         for_each_element(sub, (element)->data, (element)->datalen)
3268
3269 #define for_each_subelement_id(sub, id, element)                        \
3270         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3271
3272 #define for_each_subelement_extid(sub, extid, element)                  \
3273         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3274
3275 /**
3276  * for_each_element_completed - determine if element parsing consumed all data
3277  * @element: element pointer after for_each_element() or friends
3278  * @data: same data pointer as passed to for_each_element() or friends
3279  * @datalen: same data length as passed to for_each_element() or friends
3280  *
3281  * This function returns %true if all the data was parsed or considered
3282  * while walking the elements. Only use this if your for_each_element()
3283  * loop cannot be broken out of, otherwise it always returns %false.
3284  *
3285  * If some data was malformed, this returns %false since the last parsed
3286  * element will not fill the whole remaining data.
3287  */
3288 static inline bool for_each_element_completed(const struct element *element,
3289                                               const void *data, size_t datalen)
3290 {
3291         return (const u8 *)element == (const u8 *)data + datalen;
3292 }
3293
3294 #endif /* __LINUX_IEEE80211_H */